Alps Ice Grips Snow Traction Gear Slip on Snow and Ice Cleat Traction Prevent Slipping (Black) Made with tough steel Chain and Spikes for high-strength 420J2 stainless steel. Designed to help you hike on packed snow or ice. Prevent slipping on snow and ice conditions. Size Chart - Medium - Women(5-10)/Men(3-7)/EU 31-41 Large - Women(10-16)/Men(7-13)/EU 41-47